<!DOCTYPE html>
<!--<div class="menu__subheader"><br>微信公众号：雁卿雁卿呀-->
<html lang="zh">
 <head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <title>跳动的爱心</title>
  <meta name="author" content="Logical Digit ">
  <style>
   * {
    padding: 0;
    margin: 0;
   }

   body {
    height: 600px;
    padding: 0;
    margin: 0;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
   }

   .container {
    width: 500px;
    height: 500px;
    position: relative;
   }

   canvas {
    z-index: 99;
    position: absolute;
    width: 500px;
    height: 500px;
   }

   .text_box {
    text-align: center;
    position: absolute;
    font-size: 1.125rem;
    top: 36%;
    left: 22%;
    color: #ff437b;
    z-index: 100;
   }

   input {
    font-size: 1.375rem;
    color: #ff437b;
    text-align: center;
    background: none;
   }

   button {
    font-size: 1.375rem;
    border: none;
    border-radius: 4px;
   }

   input::input-placeholder {
    color: #dc4b61;
   }

   input::-webkit-input-placeholder {
    color: #dc4b61;
   }


   .heart {
    animation: heart 1s infinite ease-in-out;
   }

   @keyframes heart {

    0%,
    100% {
     transform: rotate(-2deg) scale(1);
    }

    50% {
     transform: rotate(2deg) scale(1.12);
    }
   }
  </style>
 </head>
 <body>
 <div style="zoom: 150%">
<a href="https://mp.weixin.qq.com/s/2EnWoe1bOKAOFh2QyPkeZg" class="hide_buttom"
  style="position: fixed;top: 10%;right: 10px;width: 35px;height: 35px;z-index: 19999;background: #696969;border-radius: 50%;padding: 1.0px;text-align: center;color: #ddd;text-decoration: none;   clear: both; line-height: 35px; 	margin:auto;   font-size: 13px;">制作</a>
<a href="https://mp.weixin.qq.com/s/KA3nFLUB5W8f1BIyd_g0cg" class="hide_buttom"
  style="position: fixed;top: 4%;right: 10px;width: 35px;height: 35px;z-index: 19999;background: #696969;border-radius: 50%;padding: 1.0px;text-align: center;color: #ddd;text-decoration: none;   clear: both; line-height: 35px; 	margin:auto;   font-size: 13px;   ">更多</a>
</div>
  <div id="jsi-cherry-container" class="container ">
   <!-- 爱心 -->
   <canvas id="pinkboard" class="container heart"> </canvas>
   <!-- 中心文字 -->
   <div class="text_box">
    <input type="text" id="text" placeholder="给你的爱心">
    <button id="btn" onclick="fn()">️</button>
   </div>

  </div>
 </body>
 <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
 <script>
  function fn() {
   var a1 = document.querySelector('#text');
   var btn = document.querySelector('#btn');
   a1.style.border = 'none';
   btn.parentNode.removeChild(btn);
   console.log("CodeX");
  }
 </script>
 <script>
  /*
   * settings
   */
  var settings = {
   particles: {
    length: 500, // maximum amount of particles
    duration: 2, // particle duration in sec
    velocity: 100, // particle velocity in pixels/sec
    effect: -0.75, // play with this for a nice effect
    size: 30, // particle size in pixels
   },
  };

  (function() {
   var b = 0;
   var c = ["ms", "moz", "webkit", "o"];
   for (var a = 0; a < c.length && !window.requestAnimationFrame; ++a) {
    window.requestAnimationFrame = window[c[a] + "RequestAnimationFrame"];
    window.cancelAnimationFrame =
     window[c[a] + "CancelAnimationFrame"] ||
     window[c[a] + "CancelRequestAnimationFrame"];
   }
   if (!window.requestAnimationFrame) {
    window.requestAnimationFrame = function(h, e) {
     var d = new Date().getTime();
     var f = Math.max(0, 16 - (d - b));
     var g = window.setTimeout(function() {
      h(d + f);
     }, f);
     b = d + f;
     return g;
    };
   }
   if (!window.cancelAnimationFrame) {
    window.cancelAnimationFrame = function(d) {
     clearTimeout(d);
    };
   }
  })();

  /*
   * point class
   */
  var Point = (function() {
   function Point(x, y) {
    this.x = typeof x !== "undefined" ? x : 0;
    this.y = typeof y !== "undefined" ? y : 0;
   }
   Point.prototype.clone = function() {
    return new Point(this.x, this.y);
   };
   Point.prototype.length = function(length) {
    if (typeof length == "undefined")
     return Math.sqrt(this.x * this.x + this.y * this.y);
    this.normalize();
    this.x *= length;
    this.y *= length;
    return this;
   };
   Point.prototype.normalize = function() {
    var length = this.length();
    this.x /= length;
    this.y /= length;
    return this;
   };
   return Point;
  })();

  /*
   * particle class
   */
  var Particle = (function() {
   function Particle() {
    this.position = new Point();
    this.velocity = new Point();
    this.acceleration = new Point();
    this.age = 0;
   }
   Particle.prototype.initialize = function(x, y, dx, dy) {
    this.position.x = x;
    this.position.y = y;
    this.velocity.x = dx;
    this.velocity.y = dy;
    this.acceleration.x = dx * settings.particles.effect;
    this.acceleration.y = dy * settings.particles.effect;
    this.age = 0;
   };
   Particle.prototype.update = function(deltaTime) {
    this.position.x += this.velocity.x * deltaTime;
    this.position.y += this.velocity.y * deltaTime;
    this.velocity.x += this.acceleration.x * deltaTime;
    this.velocity.y += this.acceleration.y * deltaTime;
    this.age += deltaTime;
   };
   Particle.prototype.draw = function(context, image) {
    function ease(t) {
     return --t * t * t + 1;
    }
    var size = image.width * ease(this.age / settings.particles.duration);
    context.globalAlpha = 1 - this.age / settings.particles.duration;
    context.drawImage(
     image,
     this.position.x - size / 2,
     this.position.y - size / 2,
     size,
     size
    );
   };
   return Particle;
  })();

  /*
   * ParticlePool class
   */
  var ParticlePool = (function() {
   var particles,
    firstActive = 0,
    firstFree = 0,
    duration = settings.particles.duration;

   function ParticlePool(length) {
    // create and populate particle pool
    particles = new Array(length);
    for (var i = 0; i < particles.length; i++)
     particles[i] = new Particle();
   }
   ParticlePool.prototype.add = function(x, y, dx, dy) {
    particles[firstFree].initialize(x, y, dx, dy);

    // handle circular queue
    firstFree++;
    if (firstFree == particles.length) firstFree = 0;
    if (firstActive == firstFree) firstActive++;
    if (firstActive == particles.length) firstActive = 0;
   };
   ParticlePool.prototype.update = function(deltaTime) {
    var i;

    // update active particles
    if (firstActive < firstFree) {
     for (i = firstActive; i < firstFree; i++)
      particles[i].update(deltaTime);
    }
    if (firstFree < firstActive) {
     for (i = firstActive; i < particles.length; i++)
      particles[i].update(deltaTime);
     for (i = 0; i < firstFree; i++) particles[i].update(deltaTime);
    }

    // remove inactive particles
    while (
     particles[firstActive].age >= duration &&
     firstActive != firstFree
    ) {
     firstActive++;
     if (firstActive == particles.length) firstActive = 0;
    }
   };
   ParticlePool.prototype.draw = function(context, image) {
    // draw active particles
    if (firstActive < firstFree) {
     for (i = firstActive; i < firstFree; i++)
      particles[i].draw(context, image);
    }
    if (firstFree < firstActive) {
     for (i = firstActive; i < particles.length; i++)
      particles[i].draw(context, image);
     for (i = 0; i < firstFree; i++) particles[i].draw(context, image);
    }
   };
   return ParticlePool;
  })();

  /*
   * Putting it all together
   */
  (function(canvas) {
   var context = canvas.getContext("2d"),
    particles = new ParticlePool(settings.particles.length),
    particleRate =
    settings.particles.length / settings.particles.duration, // particles/sec
    time;

   // get point on heart with -PI <= t <= PI
   function pointOnHeart(t) {
    return new Point(
     160 * Math.pow(Math.sin(t), 3),
     130 * Math.cos(t) -
     50 * Math.cos(2 * t) -
     20 * Math.cos(3 * t) -
     10 * Math.cos(4 * t) +
     25
    );
   }

   // creating the particle image using a dummy canvas
   var image = (function() {
    var canvas = document.createElement("canvas"),
     context = canvas.getContext("2d");
    canvas.width = settings.particles.size;
    canvas.height = settings.particles.size;
    // helper function to create the path
    function to(t) {
     var point = pointOnHeart(t);
     point.x =
      settings.particles.size / 2 +
      (point.x * settings.particles.size) / 350;
     point.y =
      settings.particles.size / 2 -
      (point.y * settings.particles.size) / 350;
     return point;
    }
    // create the path
    context.beginPath();
    var t = -Math.PI;
    var point = to(t);
    context.moveTo(point.x, point.y);
    while (t < Math.PI) {
     t += 0.01; // baby steps!
     point = to(t);
     context.lineTo(point.x, point.y);
    }
    context.closePath();
    // create the fill
    context.fillStyle = "#dc4b61";
    context.fill();
    // create the image
    var image = new Image();
    image.src = canvas.toDataURL();
    return image;
   })();

   // render that thing!
   function render() {
    // next animation frame
    requestAnimationFrame(render);

    // update time
    var newTime = new Date().getTime() / 1000,
     deltaTime = newTime - (time || newTime);
    time = newTime;

    // clear canvas
    context.clearRect(0, 0, canvas.width, canvas.height);

    // create new particles
    var amount = particleRate * deltaTime;
    for (var i = 0; i < amount; i++) {
     var pos = pointOnHeart(Math.PI - 2 * Math.PI * Math.random());
     var dir = pos.clone().length(settings.particles.velocity);
     particles.add(
      canvas.width / 2 + pos.x,
      canvas.height / 2 - pos.y,
      dir.x,
      -dir.y
     );
    }

    // update and draw particles
    particles.update(deltaTime);
    particles.draw(context, image);
   }

   // handle (re-)sizing of the canvas
   function onResize() {
    canvas.width = canvas.clientWidth;
    canvas.height = canvas.clientHeight;
   }
   window.onresize = onResize;

   // delay rendering bootstrap
   setTimeout(function() {
    onResize();
    render();
   }, 10);
  })(document.getElementById("pinkboard"));
 </script>
</html>